<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Title</title>
</head>
<body>
<script>
	/*
	* json转js   JSON.parse
	* js转json   JSON.stringify
	* */
	let data = '{"age":"20","sex":"man","weight":"140"}';

	let b = JSON.parse(data);
	console.log(b)
</script>
</body>
</html>
